Rieju Marathon 125 - 2013 Specifications and Reviews
The 2013 Rieju Marathon 125 is a lightweight enduro bike designed for amateur off-road riders seeking an affordable entry into trail riding. Its liquid-cooled four-stroke single-cylinder engine delivers reliable performance across varied terrain, while the steel perimeter frame and quality suspension components provide durability and control. Best known for offering excellent value and easy handling characteristics suitable for learning enduro skills.
General information | |
| Category | Enduro / offroad |
| Year | 2013 |
| Model | Rieju Marathon 125 |
| | |
Engine and Transmission Specifications | |
| Exhaust system | Racing Muffler |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Fuel system | Carburettor. VM26SS |
| Valves per cylinder | 4 |
| Bore x stroke | 52.0 x 58.6 mm (2.0 x 2.3 inches) |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 125.00 ccm (7.63 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 200 mm (7.9 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. 2-piston |
| Rear tyre dimensions | 110/80-18 |
| Front tyre dimensions | 80/90-21 |
| Rear suspension | Mono-shock |
| Front suspension | Fork of Ø36mm. |
| Frame type | Double cradle. Highly resistant steel perimeter |
Physical measures and capacities | |
| Fuel capacity | 6.30 litres (1.66 gallons) |
| Wheelbase | 1,395 mm (54.9 inches) |
| Overall width | 800 mm (31.5 inches) |
| Overall length | 2,150 mm (84.6 inches) |
| Overall height | 1,200 mm (47.2 inches) |
| Seat height | 900 mm (35.4 inches) If adjustable, lowest setting. |
| Dry weight | 107.6 kg (237.2 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Spanish made bike. |
| Color options | White, black |
| Electrical | 12 Volt battery |
| Instruments | Digital dashboard |
| Starter | Electric |
Performance Profile & Rider Fit
Best For
Track15%
City45%
Cornering55%
Daily Riding35%
Touring20%
Passenger10%
Rider Profile
| Best For | Best suited to beginner or intermediate riders looking to learn trail and offroad skills on a light, forgiving 125cc machine. |
| Purpose | Designed primarily for enduro and offroad trail riding rather than speed or long-distance road use. |
| Rider Fit | The tall 900mm seat height and light 107.6kg dry weight favor riders comfortable standing on pegs and shifting body weight on rough terrain, but may challenge shorter riders at a stop. |
| Character | A nimble, playful lightweight trail bike that rewards active riding style and skilled low-speed control over raw power. |
| Not Ideal For | Not a good fit for riders wanting highway speed, passenger comfort, or long-distance touring capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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